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Regioselective carboxylation of catechol by 3,4-dihydroxybenzoate decarboxylase of Enterobacter cloacae P.

Abstract：

:3,4-Dihydroxybenzoate decarboxylase in Enterobacter cloacae P241 was induced by adding 3,4-dihydroxybenzoic acid, 3-hydroxybenzoic acid, 3,4,5-trihydroxybenzoic acid or 4-acetamidobenzoic acid to the culture medium. After stabilizing the enzyme activity by adding 5 mM dithiothreitol and 20 mM Na(2)S(2)O(3) to a cell-free extract, catechol at 50 mM was carboxylated in the presence of 3 M KHCO(3) to 3,4-dihydroxybenzoic acid with a molar conversion ratio of 28% after 14 h at 30 degrees C.

journal_name

Biotechnol Lett

journal_title

Biotechnology letters

authors

Yoshida T,Inami Y,Matsui T,Nagasawa T

doi

10.1007/s10529-010-0210-3

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

701-5

issue

5

eissn

0141-5492

issn

1573-6776

journal_volume

32

pub_type

杂志文章

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